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74ABTH16646DGG 数据表(PDF) 3 Page - NXP Semiconductors |
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74ABTH16646DGG 数据表(HTML) 3 Page - NXP Semiconductors |
3 / 12 page Philips Semiconductors Product specification 74ABT16646 74ABTH16646 16-bit bus transceiver/register (3-State) 1998 Feb 27 3 PIN CONFIGURATION 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 27 28 30 29 1DIR 1CPAB 1SAB GND 1A0 1A1 1A2 1A3 1A4 GND 1A5 1A6 1A7 2A0 2A2 GND 2A3 VCC 2A1 2A4 2A5 2A6 2A7 2SAB VCC GND 2CPAB 2DIR 1OE 1CPBA 1SBA GND 1B0 1B1 1B2 1B3 1B4 GND 1B5 1B6 1B7 2B0 2B2 GND 2B3 VCC 2B1 2B4 2B5 2B6 2B7 2SBA VCC GND 2CPBA 20E SH00026 FUNCTION TABLE INPUTS DATA I/O OPERATING MODE nOE nDIR nCPAB nCPBA nSAB nSBA nAx nBx OPERATING MODE X X ↑ X X X Input Unspecified output* Store A, B unspecified X X X ↑ X X Unspecified output* Input Store B, A unspecified H H X X ↑ H or L ↑ H or L X X X X Input Input Store A and B data Isolation, hold storage L L L L X X X H or L X X L H Output Input Real time B data to A bus Stored B data to A bus L L H H X H or L X X L H X X Input Output Real time A data to B bus Stored A data to B bus H = High voltage level L = Low voltage level X = Don’t care ↑ = Low-to-High clock transition * The data output function may be enabled or disabled by various signals at the nOE input. Data input functions are always enabled, i.e., data at the bus pins will be stored on every Low–to–High transition of the clock. |
类似零件编号 - 74ABTH16646DGG |
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类似说明 - 74ABTH16646DGG |
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